baber/WOPTO huggingface dataset:
Patent JP-2020125813-A (JP)
Title: Pipe joint structure
Inventor: HASHIMOTO KENGO
IPC: F16L21/08
Filed: 2019-02-05
Abstract: To reduce the number of components, and to shorten a length of a socket in an axial direction, in a pipe joint structure of a type for inserting a spigot of a pipe into the socket.SOLUTION: An annular seal member 5 interposed between a spigot 1 and a socket 2 is integrally formed of a rubber material 7 and a core material 8, the core material 8 of the seal member 5 is fixed into the spigot 1 by screwing a bolt 6 penetrating the seal member 5 into the spigot 1, an external peripheral part of the rubber material 7 is elastically deformed as a whole in a state that a bulged part 7a of the rubber material 7 at an external peripheral side is pressed against a salient part 1a of the spigot 1 at the external peripheral side, and pressure-inserted between an external peripheral face of the spigot 1 and an internal peripheral face of the socket 2, and the number of components is reduced more than before by constituting a structure for sealing a clearance between the spigot 1 and the socket 2, thus shortening a length of the socket 2 in an axial direction.SELECTED DRAWING: Figure 1
Patent JP-2019116622-A (JP)
Title: Production of upgraded petroleum by supercritical water
Inventor: CHOI KI-HYOUK
IPC: C10G31/06
Filed: 2019-02-06
Abstract: To provide a method for upgrading a petroleum raw material using a supercritical water petroleum upgrading system.SOLUTION: The method of the present invention comprising steps of introducing petroleum raw material, water and an auxiliary raw material comprises: a step of operating a system for mixing the petroleum raw material and the water to form a mixed petroleum raw material, and a step of introducing separately and simultaneously the mixed petroleum raw material and the auxiliary raw material into a lower part of an upflow supercritical water reactor 140. The auxiliary raw material is introduced such that a portion of the fluid contained in the upflow reactor, located near a bottom, does not lose fluid momentum. The method operates the upflow supercritical water reactor such that the supercritical water is formed from the water introduced. The step of operating to form an upgraded desulfurized petroleum product in the upflow supercritical water reactor is comprised. A supercritical water petroleum upgrading system 100 comprises the upflow supercritical water reactor and optionally a downflow supercritical water reactor.SELECTED DRAWING: Figure 1
Patent JP-2020127445-A (JP)
Title: Game machine
Inventor: TANAKA MASAYA
IPC: A63F7/02
Filed: 2019-02-07
Abstract: To enhance interest in a game by executing an unexpected performance in execution of a predetermined performance relating to a variable display game.SOLUTION: In a game machine, performance control means can generate a first display image to be displayed on a screen of a display device on the basis of a display layer for displaying a predetermined performance, performs display for displacing a predetermined display object included in the predetermined display layer in an irregular shape in execution of a specific performance, and can display a second display image that can be displayed on a screen of the display device in preference to the first display image when displacing the display object in an irregular shape.SELECTED DRAWING: Figure 209
Patent JP-2020129187-A (JP)
Title: Contour recognition device, contour recognition system and contour recognition method
Inventor: TAIRA YUJI
IPC: G06T7/586
Filed: 2019-02-07
Abstract: To provide a technique for accurately detecting a contour of an object even when the object has transparency.SOLUTION: A contour recognition device includes: a light projection part that projects pattern light; a light quantity adjustment part which adjusts a light quantity of the pattern light of the light projection part; two imaging parts which image an object and a mounting surface from different viewpoints; a distance calculation part which calculates a distance for each two-dimensional position from parallax of two images; an image generation part which generates a distance image that gradation-expresses the distance for each of the two-dimensional positions from the maximum distance to the minimum distance and expresses a position whose distance cannot be calculated by the distance calculation part with different gradations from the mounting surface; and a contour extraction part which image processes the distance image and extracts a contour of the object, in which the light quantity adjustment part adjusts the light quantity of the light projection part so as to prevent the distance calculation part from calculating the distance of at least the contour of the object and to calculate the distance on the mounting surface, and the image generation part generates the image so that the maximum distance by the gradation-expression of the distance image is larger than the distance of the mounting surface.SELECTED DRAWING: Figure 1
Patent JP-2020128834-A (JP)
Title: Furnace abnormality reason identification method, furnace abnormality reason identification device, mechanical learning method and furnace abnormality reason identification model
Inventor: SHIDA TAKAFUMI
IPC: F23N5/24
Filed: 2019-02-08
Abstract: To provide a furnace abnormality reason identification method, a furnace abnormality reason identification device, a machine learning method and a furnace abnormality reason identification model capable of identifying a reason for abnormality including one which has not caused the abnormality in the past.SOLUTION: A furnace abnormality reason identification method which identifies a reason for abnormality occurring in a furnace comprises: an acquisition step to acquire operation data of the furnace; and an identification step to identify the reason for the abnormality occurring in the furnace by inputting the operation data acquired in the acquisition step into an abnormality reason identification model which is a model having operation data of the furnace as an input variable and the reason for the abnormality of the furnace as an output variable and has undergone machine learning with mock operation data created on the basis of the actual operation data in normal time for identifying the reason for abnormality where actual operation data corresponding thereto has not acquired or the number of pieces of actual operation data corresponding thereto has not been equal to or more than a predetermined number.SELECTED DRAWING: Figure 4
Patent JP-2020130257-A (JP)
Title: Game machine
Inventor: TANAKA MASAYA
IPC: A63F7/02
Filed: 2019-02-14
Abstract: To output error sound suitably.SOLUTION: A game machine includes output control means (a performance control device) controlling sound output by a speaker. The output control means can output performance sound (for example, period limited sound) while a special game state is generated, can output as error sound while the special game state is generated, first error sound (for example, fraud unrelated error sound) and second error sound (for example, fraud related error sound) higher in order of priority than the first error sound, preferentially outputs the second error sound when an error of outputting the second error sound occurs when the performance sound is output, and preferentially outputs the performance sound when an error of outputting the first error sound occurs when the performance sound is output.SELECTED DRAWING: Figure 70
Patent JP-2020130357-A (JP)
Title: Game machine
Inventor: TANAKA MASAYA
IPC: A63F7/02
Filed: 2019-02-15
Abstract: To provide a game machine capable of giving a surprising effect on the achievement of the termination condition of the normal electric accessory support control.SOLUTION: The game machine can execute a special-pattern 1 game, a special-pattern 2 game, a second-class game, and an ordinary-pattern game. Game balls that have won an ordinary variable winning device as a result of the ordinary-pattern game are distributed to an actuation port 1 and an actuation port 2 by a distribution device. The game balls distributed to the actuation port 1 open a variable winning device that facilitates winning at the actuation port 2 for triggering the actuation of the special-pattern 2 game. The game balls distributed to the actuation port 2 open a variable winning device that facilitates winning at the actuation port 3 for triggering the actuation of the second-class game.SELECTED DRAWING: Figure 5
Patent JP-2020130053-A (JP)
Title: Cell adhesion substrate and method for producing the same
Inventor: KASAI NAHOKO
IPC: G01N33/53
Filed: 2019-02-20
Abstract: To provide a cell adhesion substrate that allows cell patterning and fixing, using a membrane protein that is fixed at a desired position on a substrate and holds activity, and a method for producing the same.SOLUTION: A cell adhesion substrate has a substrate, and a membrane protein that is fixed to the whole or part of the substrate surface and is derived from budding virus.SELECTED DRAWING: Figure 2
Patent JP-2020134374-A (JP)
Title: Pulse power supply device, radar system and method for controlling pulse power supply device
Inventor: NAKAMURA HIDEO
IPC: H02M3/28
Filed: 2019-02-22
Abstract: To miniaturize a capacitor of a pulse power supply device which controls output of a DC/DC converter by a switch.SOLUTION: Control is performed, which switches an operation state and a stop state of a DC/DC converter, and a conduction state and a cutoff state of a switch at different timings respectively. Furthermore, even if the cycle and duty ratio of an input pulse signal are unknown, by measuring a pulse signal period TP and a pulse width time TW within time of less than two periods, it becomes possible to charge the capacitor in advance before the pulse of the input pulse signal rises and the capacitor starts discharging at least after a third period. As a result, it becomes possible to reduce the size of the capacitor connected in parallel to the output of the DC/DC converter.SELECTED DRAWING: Figure 2A
Patent JP-2020134388-A (JP)
Title: Hydrogen gas detector
Inventor: MURAKAMI ISAO
IPC: G01N21/77
Filed: 2019-02-22
Abstract: To provide a hydrogen gas detector which can monitor or detect hydrogen to discover leaking hydrogen before it burns to handle hydrogen.SOLUTION: The present invention relates to a hydrogen detector and a method for detecting hydrogen by the detector. The hydrogen detector includes: a substrate; and a metal thin film on the surface of the substrate, the metal thin film being made of metal which belongs to a platinum group and containing hydrogen, the metal thin film having a gas chromic metal thin film which is reversibly discolored by contacting with a hydrogen gas. The hydrogen detector thus has a hydrogen detection function by an extremely simple structure without requiring a special metal catalyst.SELECTED DRAWING: Figure 3
Patent JP-2020133583-A (JP)
Title: Centrifugal fan
Inventor: NARA KIYOHISA
IPC: F04D29/44
Filed: 2019-02-25
Abstract: To reduce noise.SOLUTION: A centrifugal fan comprises: a motor 10 comprising a shaft 111, and for rotating the shaft 111; an impeller 30 fitted to the shaft 111, and to be rotated together with the shaft 111; a first case 41 covering one side of the impeller 30; a second case 42 covering another side of the impeller 30 by being combined with the first case 41; a suction port 412 provided in the first case 41, and communicating with a space 44 between the first case 41 and the second case 42; at least one or more struts 413 formed between the first case 41 and the second case 42, and forming the space 44; and a discharge port 45 formed between the first case 41 and the second case 42, and communicating with the space 44. The struts 413 each comprise a turbulent flow generation part 4133 in an outer peripheral surface 4132 facing the discharge port.SELECTED DRAWING: Figure 1
Patent JP-2020130953-A (JP)
Title: Game machine
Inventor: MOMOSE ATSUSHI
IPC: A63F5/04
Filed: 2019-02-26
Abstract: To provide a game machine capable of easily taking out large-diameter tokens when tokens having a larger diameter than tokens used for a game are supplied.SOLUTION: A game machine includes: a bet button 16; a stop button 13; a token supply port part 41 for supplying a token of φ25, and a wall part 42 for assisting in supply of a token of φ25 to the token supply port part 41, and can play a game by using the token of φ25. A movable range of the bet button 16 is equal to or larger than a movable range of the stop button 13. An opening width of the token supply port part 41 is formed to be shorter than the diameter of a token of φ30, and the wall part 42 is formed such that an upper end of the wall part 42 is positioned below an upper end of the token of φ30 and above the center in a vertical direction of the token of φ30 in a state in which the token of φ30 is being hooked to the token supply port part 41.SELECTED DRAWING: Figure 9
Patent JP-2019081028-A (JP)
Title: Game machine
Inventor: TSUCHIYA YOSHITAKA
IPC: A63F7/02
Filed: 2019-02-28
Abstract: To enhance interest in a performance.SOLUTION: A Pachinko game machine PY1 includes a first advantageous game state and a second advantageous game state that is more advantageous to a player than a first advantageous game state. The Pachinko game machine PY1 can display a performance symbol in a specific mode. The specific mode includes a first mode suggesting that a game state may be the first advantageous game state and a second mode suggesting that a game state may be a second advantageous game state. When a special performance symbol TZ is displayed while a performance symbol is displayed in the first mode, the mode of the performance symbol may be changed from the first mode to the second mode.SELECTED DRAWING: Figure 32
Patent JP-2020140067-A (JP)
Title: Image forming apparatus
Inventor: ITABASHI NAO
IPC: G03G21/18
Filed: 2019-02-28
Abstract: To accurately determine the position of bearings with respect to an apparatus body.SOLUTION: An image forming apparatus comprises: a developing cartridge that includes a developing roller 62; a drum cartridge 50 that includes bearings 110 rotatably supporting a photoreceptor drum and to which the developing cartridge is removably attached; and an apparatus body to which the drum cartridge attached with the developing cartridge is removably attached. The apparatus body has a first positioning part P11. The bearings 110 each include a guide groove G1 that guides a shaft 62A of the developing roller 62, and a projection P1 that is arranged at a position different from a rotation shaft of the photoreceptor drum. When the drum cartridge 50 attached with the developing cartridge is attached to the apparatus body, and at least the developing roller is driven, the projection P1 is in contact with the first positioning part P11 in the direction of rotation of the photoreceptor drum.SELECTED DRAWING: Figure 6
Patent JP-2019082322-A (JP)
Title: Cold storage heat exchanger
Inventor: YAMADA JUNJI
IPC: F28F9/26
Filed: 2019-03-01
Abstract: To provide a cold storage heat exchanger having a cold storage material container.SOLUTION: Since a projecting portion 47a1 or a recessed portion 47a2 is formed as an inclined shape, generated condensate water is promptly divided into right and left side along an inclined part to be discharged to the outside, thereby avoiding freeze fracture, that is, the volume of a coolant pipe 45 and a cold storage material container 47 is expanded due to the freezing of the condensate water and they are broken. Even if the condensate water remains and freezes, the frozen ice escapes along the inclined part, so that the freeze fracture can be suppressed.SELECTED DRAWING: Figure 20
Patent JP-2020112341-A (JP)
Title: Temperature and humidity-controllable air flow system
Inventor: LEE YING-KAI
IPC: F24F6/00
Filed: 2019-03-05
Abstract: To provide a temperature and humidity-controllable air flow system that prevents outside air from entering to affect the temperature and pressure of a gas.SOLUTION: A temperature and humidity-controllable air flow system is used to circulate a gas inside itself, and includes a recycle unit, at least one air feed unit, and at least one return air unit, and the recycle unit is used to control the temperature and humidity of a gas, in which a turbulent flow is generated from a blown-out gas at some blow-out angle of an air outlet of the air feed unit, and the gas is further received through the return air unit and also sent back into the recycle unit. In order to generate the turbulent flow within the limited space, an air feed path does not overlap with a return air path in a vertical projection direction, and gas pressure when the gas exits from the air feed path is larger than gas pressure when the gas enters the return air path, so the gas pressure in the sealed space is positive.SELECTED DRAWING: Figure 1
Patent JP-2020142259-A (JP)
Title: Flux and solder paste
Inventor: KAWASAKI HIROYOSHI
IPC: B23K35/363
Filed: 2019-03-05
Abstract: To provide a flux which imparts thixotropic properties and is excellent in printability, printing sag suppression capability and heating sag suppression capability, and a solder paste having a thickening suppression effect using the flux.SOLUTION: A flux contains a thixotropic agent, a rosin, an organic acid and a solvent, and a metal deactivator, in which the thixotropic agent is composed of a cyclic amide compound obtained by cyclic polycondensation of a dicarboxylic acid and/or tricarboxylic acid and diamine and/or triamine, and a non-cyclic amide compound obtained by non-cyclic polycondensation of a monocarboxylic acid, a dicarboxylic acid and/or tricarboxylic acid. The cyclic amide compound has the dicarboxylic acid and the tricarboxylic acid having 3 or more and 10 or less carbon atoms, the diamine and the triamine having 2 or more and 54 or less carbon atoms, contains 0.1 wt.% or more and 8.0 wt.% or less of the cyclic amide compound, 0.5 wt.% or more and 8.0 wt.% or less of the non-cyclic amide compound, and has the total amount of the cyclic amide compound and the non-cyclic amide compound of 1.5 wt.% or more and 10.0 wt.% or less, and the metal deactivator is a nitrogen compound.SELECTED DRAWING: None
Patent JP-2020142817-A (JP)
Title: Squeeze bottle
Inventor: AGARI MASASHI
IPC: B65D1/02
Filed: 2019-03-05
Abstract: To provide a container which can be favorably handled and which can extract a liquid seasoning by a small amount by performing crushing of a narrowed part repeatedly, by utilizing a squeeze bottle including heat resistance corresponding to heating and filling of a highly viscous liquid seasoning such as sauce, by securing a region in which a label can be mounted properly and a region in which a panel part for decompression absorption deformation is formed, while allowing the crushing of the narrowed part to be repeatedly performed.SOLUTION: At a narrowed part 6, protrusions 14 are arranged at even-numbered places. This narrowed part 6 deforms in such a manner that, when the narrowed part 6 is crushed from the outside of a bottle, a pair of protrusions 14, 14 are folded out toward the outside in the barrel part radial direction. Barrel part walls 13, 13 of the narrowed part 6 which are positioned around the barrel part between one protrusion 14 and the other protrusion 14 to be folded out, and which oppose to each other with a straight line along the barrel part radial direction at the position passing the pair of protrusions 14, 14 being in-between deform respectively so as to come close to each other with the straight line being in-between.SELECTED DRAWING: Figure 4
Patent JP-2020142596-A (JP)
Title: Steering control device
Inventor: KODERA TAKASHI
IPC: B62D6/00
Filed: 2019-03-05
Abstract: To provide a steering control device that is able to hinder deviation of distribution axial force from actually acting axial force.SOLUTION: A reaction component computing unit 82 comprises: an angle axial force computing unit 91 that computes an angle axial force Fib; an electrical current axial force computing unit 92 that computes an electrical current axial force Fer; and a distribution axial force computing unit 93 that computes, as a reaction component Fir, distribution axial force obtained by adding the angle axial force Fib and the electrical current axial force Fer at an individually set distribution ratio. In the distribution axial force computing unit 93, an angle distribution gain indicating the distribution ratio of the angle axial force Fib and an electrical current distribution gain indicating the distribution ratio of the electrical current axial force Fer are set in advance. The distribution axial force computing unit 93 computes the reaction force Fir by adding a value obtained by multiplying the angle axial force Fib by the angle distribution gain and a value obtained by multiplying the electrical current axial force Fer by the electrical current distribution gain. In a case where a vehicle speed state signal Sve indicates that there is an anomaly in vehicle speed Vb, the distribution axial force computing unit 93 sets the angle distribution gain to zero.SELECTED DRAWING: Figure 3
Patent JP-2020145837-A (JP)
Title: Stator manufacturing method
Inventor: WATANABE ITSUO
IPC: H02K15/10
Filed: 2019-03-06
Abstract: To prevent mutual interference of an air core coil at the time of inserting into an adjacent core.SOLUTION: A stator manufacturing method includes a step of deforming an intermediate portion 63 so as to widen a space between adjacent core portions 32 in an outer shaft motor core 30 in which a plurality of core portions 32 are arranged in an annular shape via the intermediate portion 63, and a step of inserting a coil 50 into the core portion 32 with a wide space.SELECTED DRAWING: Figure 13
Patent JP-2020144251-A (JP)
Title: Image forming apparatus
Inventor: OMURA KIMINORI
IPC: B41J29/46
Filed: 2019-03-07
Abstract: To increase work efficiency in removing sheets stored in a storage unit.SOLUTION: An image forming apparatus comprises a storage unit 30 in which sheets P that are not used in the body of an image forming apparatus 1 and to be removed are temporarily stored so that the sheets P do not affect an image forming operation performed in the body of the image forming apparatus 1. When a control unit 90 (determination means) determines that a predetermined manual operation is performed in the body of the image forming apparatus 1, and determines that the sheets P stored in the storage unit 30 reach a predetermined number of sheets A (or predetermined height H), the image forming apparatus performs notification for encouraging removal of the sheets P stored in the storage unit 30 from the storage unit 30.SELECTED DRAWING: Figure 3
Patent JP-2020142970-A (JP)
Title: Recovery method of dihydrate gypsum for cement raw material from waste gypsum board
Inventor: HIRANAKA SHINGO
IPC: C04B7/02
Filed: 2019-03-08
Abstract: To provide a method for recovering dihydrate gypsum appropriate for a cement raw material from a waste gypsum board by a simple method.SOLUTION: The method includes: fracturing a waste gypsum board and sieving it to paper pieces and dihydrate gypsum grain so that a paper piece content in the dihydrate gypsum grain becomes 1 mass% or less; calcinating them to change the dihydrate gypsum grain to hemihydrous and/or anhydrous III type gypsum; and mixing it with water to deposit dihydrate gypsum particles for a cement raw material. Since a water-soluble organic substance in recovered dihydrate gypsum is adversely affected to the strength of hardened mortar or the like, an adverse effect of the water-soluble organic substance can be removed by decreasing the paper piece content of the dihydrate gypsum grain before calcination to 1 mass% or less.SELECTED DRAWING: Figure 2